Home / 371,545.44-557,316.72-134,887.20

Finding the Fourth Proportional to 371,545.44, 557,316.72 and 134,887.20

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Solution

The fourth proportional to 371,545.44, 557,316.72 and 134,887.20 is: 202,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,545.44 : 557,316.72 = 134,887.20 : x
  2. Step 2: Convert to fraction form
    371,545.44/557,316.72 = 134,887.20/x
  3. Step 3: Cross multiply
    371,545.44x = 557,316.72 × 134,887.20
  4. Step 4: Simplify right side
    371,545.44x = 75,174,891,873.98
  5. Step 5: Solve for x
    x = 75,174,891,873.98/371,545.44
  6. Step 6: Final answer
    x = 202,330.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.